diff --git a/wiki/pages/contribution.html b/wiki/pages/contribution.html
index 5916575a500a0e783f801e5944b63ea18538610d..184401aaa1ea8e83bfa77390d121b91a6e066bb5 100644
--- a/wiki/pages/contribution.html
+++ b/wiki/pages/contribution.html
@@ -311,11 +311,13 @@ document that contribution.{% endblock %} {% block header %}
             alt=""
             width="50%"
           />
+          <figcaption><b>Fig.4 | </b>The apperance of our hardware</figcaption>
           <img
             src="https://static.igem.wiki/teams/4583/wiki/contribution/1-2.png"
             alt=""
             width="80%"
           />
+          <figcaption><b>Fig.5 | </b>The app operation interface</figcaption>
         </div>
       </div>
       <!-- 04 -->
@@ -346,7 +348,7 @@ document that contribution.{% endblock %} {% block header %}
             width="80%"
           />
           <figcaption>
-            <b>Fig.4 | </b>Binding energy of proteins with AHL.
+            <b>Fig.6 | </b>Binding energy of proteins with AHL.
           </figcaption>
         </div>
       </div>
@@ -364,12 +366,11 @@ document that contribution.{% endblock %} {% block header %}
         </p>
         <div>
           <img
-            src="https://static.igem.wiki/teams/4583/wiki/contribution/the-circular-feedback-process-of-our-questionnaire.png"
-            alt="The circular feedback process of our questionnaire."
+            src="https://static.igem.wiki/teams/4583/wiki/hp/the-circular-feedback-process-of-our-questionnaire.png"
             width="80%"
           />
           <figcaption>
-            <b>Fig.5 | </b>The circular feedback process of our questionnaire.
+            <b>Fig.7 | </b>The circular feedback process of our questionnaire.
           </figcaption>
         </div>
         <p>